No poisonous lookalikes. All Hazels are edible. Stems have stiff hairs. Male trees have clumps of pale yellow flowers hanging like long sausages, Female trees have tiny tiny pinks tufts on the tips of the buds. Simple rounded leaves with serrated edges. Nuts edible, encased in funky fringy wrappers. Astringent. Bark tea used for tumors, skin problems and cancers, worms, illness. Lots of healthy fats, B vitamins, E and K. Contains flavonoids that may support brain health, improve circulation and reduce symptoms associated with allergies.